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Senna, the sennas, is a large genus of flowering plants in the legume family (Fabaceae, subfamily Caesalpinioideae, [2] tribe Cassieae ser. Aphyllae [3]).This diverse genus is native throughout the tropics, with a small number of species in temperate regions.
Senna obtusifolia, known by common names including Chinese senna, American sicklepod and sicklepod, is a plant in the genus Senna, sometimes separated in the monotypic genus Diallobus. It grows wild in North, Central, and South America, Asia, Africa, and Oceania, and is considered a particularly problematic weed in many places.
Senna alexandrina (Alexandrian senna, in Arabic عشرج or عشرق or سنامكي and see below) is an ornamental plant in the genus Senna. It is used in herbalism. It grows natively in upper Egypt, especially in the Nubian region, and near Khartoum , where it is cultivated commercially. It is also grown elsewhere, notably in India and Somalia.
Senna occidentalis is a foetid shrub that typically grows to a height of 1–2 m (3 ft 3 in – 6 ft 7 in) and has softly-hairy branches and stems. Its leaves are pinnate, 150–170 mm (5.9–6.7 in) long on a petiole 20–40 mm (0.79–1.57 in) long, with three to seven pairs of broadly elliptic to egg-shaped leaflets 50–70 mm (2.0–2.8 in) long and 30–40 mm (1.2–1.6 in) wide, spaced ...
Because the name Cassia is not precise, it is sometimes difficult to know what is meant by references to plants known as "cassias". Cassia gum, for example, is made from Senna obtusifolia, a species formerly included in genus Cassia. Genera Cassia and Senna are both known in systems of traditional medicine.
Senna oligoclada is an erect shrub that typically grows to a height of up to 3 m (9.8 ft). Its leaves are pinnate, 30–60 mm (1.2–2.4 in) long with one to thee pairs of elliptic to egg-shaped leaflets with the narrowe end towards the base, the leaflets 20–30 mm (0.79–1.18 in) long and 8–15 mm (0.31–0.59 in) wide with glands between each pair of leaflets.
Senna pendula, also known as Easter Cassia, Christmas Senna, [a] winter Senna, [b] climbing Cassia, golden shower, pendant Senna and valamuerto, [2] is a plant of the Fabaceae family with a shrub habit that is native to South America.
Senna hebecarpa, with the common names American senna [4] and wild senna, is a species of legume native to eastern North America. [ 3 ] [ 2 ] [ 5 ] [ 6 ] Description